San Antonio, Texas, November 26, 2025
As Thanksgiving approaches, San Antonio faces a significant temperature drop due to a strong cold front. Following a warm start to the week with highs in the 80s, temperatures are expected to fall to the upper 60s with lows in the mid-40s on Thanksgiving Day. The cold front will also affect the Rio Grande Valley, providing a welcome respite from recent heat. Residents should prepare for the abrupt change and adjust their plans accordingly.
San Antonio’s Sudden Temperature Drop Before Thanksgiving
San Antonio, Texas – As we approach the Thanksgiving holiday, a strong cold front is poised to bring a significant temperature drop to San Antonio and Central Texas. After enjoying an unusually warm start to the week, locals can expect temperatures to fall dramatically, with highs in the upper 60s and lows in the mid-40s on Thanksgiving Day.
Forecasted Temperature Changes
On November 24 and 25, San Antonio experienced unseasonably warm temperatures, soaring into the 80s, with lows around the 60s. However, a powerful cold front is forecasted to sweep through on November 26, ushering in cooler weather. The National Weather Service projects a high of 69 degrees and a low of 55 degrees for Wednesday. By Thanksgiving Day, November 27, temperatures are anticipated to further decrease, reaching highs in the upper 60s and lows in the mid-40s. This represents a notable shift from the previous weeks, with temperature drops of up to 40 degrees within just a few days.
Impact on the Rio Grande Valley
The Rio Grande Valley, which has recently faced record-breaking temperatures, will also experience this temperature transition. The cold front is expected to impact this region from Tuesday to Wednesday, bringing early Thursday morning temperatures down into the 50s. Ranchland counties along U.S. 281 and U.S. 77 could even see lows in the upper 40s, providing a welcome respite from the prolonged heat.
Historical Context
Rapid temperature fluctuations are not a rarity in Texas. Known as a “Blue Norther,” this phenomenon can cause temperature drops of 20 to 30 degrees within a matter of minutes, often accompanied by strong winds and overcast skies. Residents are encouraged to prepare for this sudden change by donning their warm clothing and adjusting their Thanksgiving plans accordingly.
Travel Considerations
Those traveling to or within Texas for Thanksgiving should remain mindful of the changing weather conditions. The abrupt temperature drop may influence travel arrangements, particularly for those unprepared for colder weather. It is advisable to stay attuned to local weather forecasts and plan accordingly to ensure a safe and pleasant holiday experience.
Conclusion
In summary, the impending cold front promises to deliver a significant temperature plunge to San Antonio and the Rio Grande Valley, creating a striking contrast to the previous warmth. As locals and travelers gear up for the Thanksgiving holiday, it is vital to stay informed about these weather changes and take appropriate precautions to maintain comfort and safety.
Frequently Asked Questions (FAQ)
What is causing the sudden temperature drop in San Antonio?
The sudden temperature drop is due to a strong cold front moving through the region, bringing cooler air from the north and causing temperatures to plummet by up to 40 degrees in just a few days.
When is the cold front expected to arrive in San Antonio?
The cold front is forecasted to arrive on Wednesday, November 26, bringing cooler conditions that will continue into Thanksgiving Day on Thursday, November 27.
How will the cold front affect the Rio Grande Valley?
The Rio Grande Valley will experience cooler temperatures as the cold front moves through on Tuesday into Wednesday, with early Thursday morning temperatures potentially dipping into the 50s, providing a break from the recent heat.
What is a “Blue Norther”?
A “Blue Norther” is a type of fast-moving cold front that can cause temperatures to drop by 20 to 30 degrees in a matter of minutes, bringing strong winds and dark skies, leading to a sudden and dramatic shift in weather conditions.
How should residents prepare for the upcoming cold front?
Residents should prepare for the abrupt change by bringing out their warm clothing and adjusting their Thanksgiving plans accordingly to stay comfortable and safe during the holiday season.
Weather Forecast Table
| Date | High Temperature | Low Temperature | Weather Conditions |
|---|---|---|---|
| Monday, November 24 | 80s | 60s | Warm |
| Tuesday, November 25 | 80s | 60s | Warm |
| Wednesday, November 26 | 69°F | 55°F | Cooler with a chance of rain |
| Thursday, November 27 (Thanksgiving Day) | Upper 60s | Mid-40s | Cool and clear |
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Author: STAFF HERE SAN ANTONIO WRITER
The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.
